Dorman 604-706 HVAC Blend Door Actuator - Lower Main or Upper Main

OE Quality 60-Day Returns

Dorman 604-706 HVAC Blend Door Actuator - Lower Main or Upper Main

Brand	Dorman 604-706
Position	Lower Main
Material	Plastic
Package Contents	1 Air Door Actuator
Switch Activation Type	Rotary
Terminal Gender	Male
Terminal Quantity	5
Terminal Type	Blade
Fits	Chevrolet, GMC, and Cadillac · 157 vehicles

OE-style replacement. Precision-engineered to match original quality and performance.

Rotary design. Smooth actuator operation for HVAC blend door control.

Plastic housing. Lightweight construction with blade terminals for secure connection.

Cross-references 22808876 and ADS4326 for the same application. See all 2.

$42.41Free shipping

In stock · usually ships same day before 1pm CST

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Dorman 604-706 HVAC Blend Door Actuator

Dorman 604-706 is an HVAC blend door actuator engineered to match the fit and function of the original unit on select Cadillac, Chevrolet, and GMC vehicles. It uses a rotary switch activation design with a 5-blade male terminal layout and a plastic housing for direct replacement service.

Key Features

HVAC blend door actuator for temperature control system repair
Rotary switch activation type for blend door movement
5-terminal blade connection with male terminals
Plastic construction for OE-style replacement fit
Direct replacement for select Upper Main and Lower Main positions
Cross-reference part numbers include 22808876 and ADS4326 for the same application

Detailed Description

This Dorman HVAC heater blend door actuator is built to match the quality and performance of the original actuator used in specific vehicle years, makes, and models. It is a practical replacement for temperature control issues in applications such as the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and GMC Yukon, where the blend door actuator controls airflow direction and cabin temperature blending. Dorman 604-706 is listed for Upper Main and Lower Main positions across 2014-2020 applications, making it a fitment-specific solution for common GM HVAC repair needs.

Vehicle Fitment

Fits 2019-2020 Cadillac Escalade, Upper Main
Fits 2020 Cadillac Escalade ESV, Upper Main
Fits 2020 Chevrolet Tahoe, Lower Main
Fits 2020 GMC Yukon, Lower Main
Fits 2020 GMC Yukon XL, Lower Main
Fits 2019 Cadillac Escalade ESV, Lower Main
Fits 2019 Chevrolet Silverado 1500 LD, Lower Main
Fits 2015-2019 Chevrolet Silverado 2500 HD, Lower Main
Fits 2015-2019 Chevrolet Silverado 2500 HD, Upper Main
Fits 2015-2019 Chevrolet Silverado 3500 HD, Lower Main
Fits 2015-2019 Chevrolet Silverado 3500 HD, Upper Main
Fits 2019 Chevrolet Suburban 3500 HD, Lower Main
Fits 2019 Chevrolet Tahoe, Upper Main
Fits 2019 GMC Sierra 1500 Limited, Lower Main
Fits 2015-2019 GMC Sierra 2500 HD, Lower Main
Fits 2015-2019 GMC Sierra 2500 HD, Upper Main
Fits 2015-2019 GMC Sierra 3500 HD, Lower Main
Fits 2015-2019 GMC Sierra 3500 HD, Upper Main
Fits 2015-2019 GMC Yukon, Lower Main
Fits 2015-2019 GMC Yukon, Upper Main
Fits 2015-2019 GMC Yukon XL, Lower Main
Fits 2015-2019 GMC Yukon XL, Upper Main
Fits 2015-2018 Cadillac Escalade, Lower Main
Fits 2015-2018 Cadillac Escalade, Upper Main
Fits 2015-2018 Cadillac Escalade ESV, Lower Main
Fits 2015-2018 Cadillac Escalade ESV, Upper Main
Fits 2014-2018 Chevrolet Cheyenne, Lower Main
Fits 2014-2018 Chevrolet Cheyenne, Upper Main
Fits 2014-2018 Chevrolet Silverado 1500, Lower Main
Fits 2014-2018 Chevrolet Silverado 1500, Upper Main
Fits 2015-2018 Chevrolet Silverado 2500, Lower Main
Fits 2015-2018 Chevrolet Silverado 2500, Upper Main
Fits 2015-2018 Chevrolet Silverado 3500, Lower Main
Fits 2015-2018 Chevrolet Silverado 3500, Upper Main
Fits 2016-2018 Chevrolet Suburban 3500 HD, Lower Main
Fits 2016-2018 Chevrolet Suburban 3500 HD, Upper Main
Fits 2015-2018 Chevrolet Tahoe, Lower Main
Fits 2015-2018 Chevrolet Tahoe, Upper Main
Fits 2014-2018 GMC Sierra, Lower Main
Fits 2014-2018 GMC Sierra, Upper Main
Fits 2014-2018 GMC Sierra 1500, Lower Main
Fits 2014-2018 GMC Sierra 1500, Upper Main

Common Problems This Part Can Address

Inconsistent cabin temperature control
Airflow stuck on hot or cold
Blend door movement failure in the HVAC system
Clicking or repeated actuator noise behind the dash
Loss of proper temperature mixing in the heater and A/C system

Installation Notes and Tips

Verify the original actuator position before replacement, since this part is listed for both Upper Main and Lower Main applications. Confirm connector style, terminal count, and vehicle-specific fitment before installation on Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, or related GM models. After installation, recalibrate the HVAC system if the vehicle service procedure requires it.

Quality Assurance

Dorman designs this blend door actuator to match the original part’s quality and performance on the listed applications. The part number 604-706 is supported by fitment-specific OE-style replacement data for select GM HVAC systems.

This part fits 157 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2020	Cadillac	Escalade	Upper Main	Packaging Type: Box
2020	Cadillac	Escalade ESV	Upper Main	Packaging Type: Box
2020	Chevrolet	Tahoe	Lower Main	Packaging Type: Box
2020	GMC	Yukon	Lower Main	Packaging Type: Box
2020	GMC	Yukon XL	Lower Main	Packaging Type: Box
2019	Cadillac	Escalade	Upper Main	Packaging Type: Box
2019	Cadillac	Escalade ESV	Lower Main	Packaging Type: Box
2019	Chevrolet	Silverado 1500 LD	Lower Main	Packaging Type: Box
2019	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Suburban 3500 HD	Lower Main	Packaging Type: Box
2019	Chevrolet	Tahoe	Upper Main	Packaging Type: Box
2019	GMC	Sierra 1500 Limited	Lower Main	Packaging Type: Box
2019	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Suburban 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Suburban 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Suburban 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Suburban 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Suburban 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Suburban 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
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Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

22808876ADS4326